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Information Systems Security Officer (ISSO)

Leidos

Odenton (MD)

On-site

USD 85,000 - 154,000

Full time

2 days ago
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Job summary

Leidos is seeking a motivated Information Systems Security Officer (ISSO) to support the Signals Analysis Division. This role involves maintaining compliance and enhancing security for critical mission systems, requiring a bachelor's degree or advanced degree and relevant experience. The position offers a chance to grow in a dynamic environment focused on national security.

Benefits

Paid Time Off
401K with 6% company match and immediate vesting
Flexible Schedules
Discounted Stock Purchase Plans
Technical Upskilling
Education and Training Support
Parental Paid Leave

Qualifications

  • Bachelor's degree plus five years of relevant experience.
  • Master’s degree plus three years of relevant experience may be considered.
  • Active TS/SCI with Polygraph required.

Responsibilities

  • Maintain operational security posture for information systems.
  • Support monitoring of networks for security compliance.
  • Assist in preparing systems for periodic reaccreditation.

Skills

Excellent written and oral communication skills

Education

Bachelor's degree
Master’s degree
Associate’s degree in computer-related field
High school diploma/GED

Job description

Leidos has a new and exciting opportunity for a Information Systems Security Officer (ISSO) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary:

Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

Seeking a self-starting, motivated individual to be an Information System Security Officer supporting Signals Analysis Division with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework; will be responsible for 8-10 System Security Plans (SSPs).

Job Responsibilities/Qualifications:

  • Mission Focus: Ensure the appropriate operational security posture is maintained for information systems. Support continuous monitoring of networks to detect and correct areas of security non-compliance, unmitigated vulnerabilities, and other risks. Follow consistent security processes and play a role in the information systems continuous monitoring program. Perform regular audits of information systems. Assist the information systems security manager in preparing the information system for periodic reaccreditation
  • Technical Proficiency: Experience as an ISSO with emphasis on Defense-in-Depth principles, network, and enterprise security architecture. Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF). Familiarity with STE/STN requirements
  • Qualifications: Bachelor's degree plus five (5) years of relevant experience or master’s degree plus three (3) years of relevant experience. An associate’s degree or 18 semesters hours of military coursework/training in a computer-related field plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered. Information Assurance Manager (IAM) Tier 1 certification.
  • Desirable Skills: Excellent written and oral communication skills
  • Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

conmd

Original Posting: June 3, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range: Pay Range $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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